Complete number systems exercises

Author: Zobeir-Rigi

number-systems/README.md

@@ -23,7 +23,7 @@ What is 10001 + 10001?
 Answer: 100010
 
 What's the largest number you can store with 4 bits, if you want to be able to represent the number 0?
-Answer: 15
+Answer: 15 
 
 How many bits would you need in order to store the numbers between 0 and 255 inclusive?
 Answer: 2^8 = 255 so 8 bits